Instruction Manual

2-8 System Administrator’s Guide
Printhead
Use this option to check the printhead for bad dots, view the printhead
dot resistance and the printhead temperature.
To exit, press F at any time.
1. From the Diagnostics menu, select Printer, Printhead, Dot Test.
Print Head
Bad Dots = 0
↵
To print, the number of bad dots must be less than 10. If you
have more than 10 bad dots, call Service.
2. Press F to return to the Printhead menu.
3. Select Dot Resist.
Resistance
in Ohms = 170
↵
The acceptable range is between 247 Ohms and 458 Ohms. If
the resistance is not in this range, call Service.
4. Press F to return to the Printhead menu.
5. From the Printhead menu, select Temperature.
Temperature
Degree C = 25
↵
To print, the printhead temperature must be less than 60°C
(140°F). The temperature is displayed in Celsius.
6. Press A under ↵ or F to return to the Printhead menu.
7. Press F to return to the Printer menu.